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Finding the Fourth Proportional to 93,757.87, 129,353.68 and 53,442.55

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Solution

The fourth proportional to 93,757.87, 129,353.68 and 53,442.55 is: 73,732.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,757.87 : 129,353.68 = 53,442.55 : x
  2. Step 2: Convert to fraction form
    93,757.87/129,353.68 = 53,442.55/x
  3. Step 3: Cross multiply
    93,757.87x = 129,353.68 × 53,442.55
  4. Step 4: Simplify right side
    93,757.87x = 6,912,990,162.27
  5. Step 5: Solve for x
    x = 6,912,990,162.27/93,757.87
  6. Step 6: Final answer
    x = 73,732.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.